/*********************************************************************** * * * This software is part of the ast package * * Copyright (c) 1985-2010 AT&T Intellectual Property * * and is licensed under the * * Common Public License, Version 1.0 * * by AT&T Intellectual Property * * * * A copy of the License is available at * * http://www.opensource.org/licenses/cpl1.0.txt * * (with md5 checksum 059e8cd6165cb4c31e351f2b69388fd9) * * * * Information and Software Systems Research * * AT&T Research * * Florham Park NJ * * * * Glenn Fowler <gsf@research.att.com> * * David Korn <dgk@research.att.com> * * Phong Vo <kpv@research.att.com> * * * ***********************************************************************/ #pragma prototyped /* * Glenn Fowler * AT&T Bell Laboratories * * single dir support for pathaccess() */ #include <ast.h> char* pathcat(char* path, register const char* dirs, int sep, const char* a, register const char* b) { register char* s; s = path; while (*dirs && *dirs != sep) *s++ = *dirs++; if (s != path) *s++ = '/'; if (a) { while (*s = *a++) s++; if (b) *s++ = '/'; } else if (!b) b = "."; if (b) while (*s++ = *b++); return *dirs ? (char*)++dirs : 0; }